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Published online by Cambridge University Press: 03 August 2017
We discuss VLBI observations of the bright core in the large, triple radio source 4C 34.37, associated with a quasar at z = 0.206. We have discovered superluminal motion in this quasar, which is the largest quasar known. We comment on the implications of these findings, and subsequently examine the projected size distributions of lobe and core dominated quasars in general. The results of these investigations lead us to conclude that neither superluminal motion, nor core prominence can simply be translated into an orientation of the overall radio source.